package Cla;

public class Water {
    public static void main(String[] args) {
       String ox="我热爱南方的空气和水，空气是那样的清新，水是那样的清澈。";
        System.out.println(ox);
       String ox1=ox.replace("空气","青山");
        System.out.println(ox1);
    }
}
